A phenomenon that occurs when illuminati hysteria (fear that a person, group, or thing is associated to the Illuminati) becomes widespread. Once it happens, the believers will then make up "proof" that the accused is part of the Illuminati. Sometimes, the accused or those related may be tortured or unnecessarily exorcised, further worsening the problem. If it becomes severe enough, it can become similar to the Spanish Inquisition or the Salem Witch Trials.
A: Why the heck are Sally and her boyfriend being exorcised in the break room?
B: Oh don't mind them. It's just another Illuminati scare. It'll probably gonna go away.